chronotropic的音标：chronotropic的英式发音音标为：[krənəʊt'rɒpɪk]chronotropic的美式发音音标为：[krənoʊt'rɒpɪk]...

变时性...

Thenegative chronotropic response depended on timing of the stimulus burst within the car - diac cycle.结果心脏的负变时性反应取决于刺激猝发所在的心动周期时相.Conclusions - Hemodynamic and chronotropic responses to exercise are heritable and demons...